/// <summary>
/// Gets if specified message matches with this class search-key.
/// </summary>
/// <param name="no">IMAP message sequence number.</param>
/// <param name="uid">IMAP message UID.</param>
/// <param name="size">IMAP message size in bytes.</param>
/// <param name="internalDate">IMAP message INTERNALDATE (dateTime when server stored message).</param>
/// <param name="flags">IMAP message flags.</param>
/// <param name="mime">Mime message main header only.</param>
/// <param name="bodyText">Message body text.</param>
/// <returns></returns>
public bool Match(long no,
long uid,
long size,
DateTime internalDate,
IMAP_MessageFlags flags,
Mime mime,
string bodyText)
{
#region ALL
// ALL
// All messages in the mailbox; the default initial key for ANDing.
if (m_SearchKeyName == "ALL")
{
return(true);
}
#endregion
#region BEFORE
// BEFORE <date>
// Messages whose internal date (disregarding time and timezone)
// is earlier than the specified date.
else if (m_SearchKeyName == "BEFORE")
{
if (internalDate.Date < (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region BODY
// BODY <string>
// Messages that contain the specified string in the body of the message.
//
// NOTE: Compare must be done on decoded header and decoded body of message.
// In all search keys that use strings, a message matches the key if
// the string is a substring of the field. The matching is case-insensitive.
else if (m_SearchKeyName == "BODY")
{
string val = bodyText;
if (val != null && val.ToLower().IndexOf(((string)m_SearchKeyValue).ToLower()) > -1)
{
return(true);
}
}
#endregion
#region HEADER
// HEADER <field-name> <string>
// Messages that have a header with the specified field-name (as
// defined in [RFC-2822]) and that contains the specified string
// in the text of the header (what comes after the colon). If the
// string to search is zero-length, this matches all messages that
// have a header line with the specified field-name regardless of
// the contents.
//
// NOTE: Compare must be done on decoded header field value.
// In all search keys that use strings, a message matches the key if
// the string is a substring of the field. The matching is case-insensitive.
else if (m_SearchKeyName == "HEADER")
{
string[] headerField_value = (string[])m_SearchKeyValue;
// If header field name won't end with :, add it
if (!headerField_value[0].EndsWith(":"))
{
headerField_value[0] = headerField_value[0] + ":";
}
if (mime.MainEntity.Header.Contains(headerField_value[0]))
{
if (headerField_value[1].Length == 0)
{
return(true);
}
else if (
mime.MainEntity.Header.GetFirst(headerField_value[0]).Value.ToLower().IndexOf(
headerField_value[1].ToLower()) > -1)
{
return(true);
}
}
}
#endregion
#region KEYWORD
// KEYWORD <flag>
// Messages with the specified keyword flag set.
else if (m_SearchKeyName == "KEYWORD")
{
if ((flags & IMAP_Utils.ParseMessageFlags((string)m_SearchKeyValue)) != 0)
{
return(true);
}
}
#endregion
#region LARGER
// LARGER <n>
// Messages with an [RFC-2822] size larger than the specified number of octets.
else if (m_SearchKeyName == "LARGER")
{
if (size > (long)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region NOT
// NOT <search-key> or (<search-key> <search-key> ...)(SearchGroup)
// Messages that do not match the specified search key.
else if (m_SearchKeyName == "NOT")
{
return
(!SearchGroup.Match_Key_Value(m_SearchKeyValue,
no,
uid,
size,
internalDate,
flags,
mime,
bodyText));
}
#endregion
#region ON
// ON <date>
// Messages whose internal date (disregarding time and timezone)
// is within the specified date.
else if (m_SearchKeyName == "ON")
{
if (internalDate.Date == (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region OR
// OR <search-key1> <search-key2> - SearckKey can be parenthesis list of keys !
// Messages that match either search key.
else if (m_SearchKeyName == "OR")
{
object serachKey1 = ((object[])m_SearchKeyValue)[0];
object serachKey2 = ((object[])m_SearchKeyValue)[1];
if (
SearchGroup.Match_Key_Value(serachKey1, no, uid, size, internalDate, flags, mime, bodyText) ||
SearchGroup.Match_Key_Value(serachKey2, no, uid, size, internalDate, flags, mime, bodyText))
{
return(true);
}
}
#endregion
#region SENTBEFORE
// SENTBEFORE <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is earlier than the specified date.
else if (m_SearchKeyName == "SENTBEFORE")
{
if (mime.MainEntity.Date.Date < (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region SENTON
// SENTON <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is within the specified date.
else if (m_SearchKeyName == "SENTON")
{
if (mime.MainEntity.Date.Date == (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region SENTSINCE
// SENTSINCE <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is within or later than the specified date.
else if (m_SearchKeyName == "SENTSINCE")
{
if (mime.MainEntity.Date.Date >= (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region SINCE
// SINCE <date>
// Messages whose internal date (disregarding time and timezone)
// is within or later than the specified date.
else if (m_SearchKeyName == "SINCE")
{
if (internalDate.Date >= (DateTime)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region SMALLER
// SMALLER <n>
// Messages with an [RFC-2822] size smaller than the specified number of octets.
else if (m_SearchKeyName == "SMALLER")
{
if (size < (long)m_SearchKeyValue)
{
return(true);
}
}
#endregion
#region TEXT
// TEXT <string>
// Messages that contain the specified string in the header or body of the message.
//
// NOTE: Compare must be done on decoded header and decoded body of message.
// In all search keys that use strings, a message matches the key if
// the string is a substring of the field. The matching is case-insensitive.
else if (m_SearchKeyName == "TEXT")
{
// See body first
string val = bodyText;
if (val != null && val.ToLower().IndexOf(((string)m_SearchKeyValue).ToLower()) > -1)
{
return(true);
}
// If we reach so far, that means body won't contain specified text and we need to check header.
foreach (HeaderField headerField in mime.MainEntity.Header)
{
if (headerField.Value.ToLower().IndexOf(((string)m_SearchKeyValue).ToLower()) > -1)
{
return(true);
}
}
}
#endregion
#region UID
// UID <sequence set>
// Messages with unique identifiers corresponding to the specified
// unique identifier set. Sequence set ranges are permitted.
else if (m_SearchKeyName == "UID")
{
return(((IMAP_SequenceSet)m_SearchKeyValue).Contains(uid));
}
#endregion
#region UNKEYWORD
// UNKEYWORD <flag>
// Messages that do not have the specified keyword flag set.
else if (m_SearchKeyName == "UNKEYWORD")
{
if ((flags & IMAP_Utils.ParseMessageFlags((string)m_SearchKeyValue)) == 0)
{
return(true);
}
}
#endregion
#region SEQUENCESET
// <sequence set>
// Messages with message sequence numbers corresponding to the
// specified message sequence number set.
else if (m_SearchKeyName == "SEQUENCESET")
{
return(((IMAP_SequenceSet)m_SearchKeyValue).Contains(no));
}
#endregion
return(false);
}
/// <summary>
/// Parses one search key from current position. Returns null if there isn't any search key left.
/// </summary>
/// <param name="reader"></param>
public static SearchKey Parse(StringReader reader)
{
string searchKeyName = "";
object searchKeyValue = null;
//Remove spaces from string start
reader.ReadToFirstChar();
// Search keyname is always 1 word
string word = reader.ReadWord();
if (word == null)
{
return(null);
}
word = word.ToUpper().Trim();
//Remove spaces from string start
reader.ReadToFirstChar();
#region ALL
// ALL
// All messages in the mailbox; the default initial key for ANDing.
if (word == "ALL")
{
searchKeyName = "ALL";
}
#endregion
#region ANSWERED
// ANSWERED
// Messages with the \Answered flag set.
else if (word == "ANSWERED")
{
// We internally use KEYWORD ANSWERED
searchKeyName = "KEYWORD";
searchKeyValue = "ANSWERED";
}
#endregion
#region BCC
// BCC <string>
// Messages that contain the specified string in the envelope structure's BCC field.
else if (word == "BCC")
{
// We internally use HEADER "BCC:" "value"
searchKeyName = "HEADER";
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { "BCC:", TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("BCC <string> value is missing !");
}
}
#endregion
#region BEFORE
// BEFORE <date>
// Messages whose internal date (disregarding time and timezone) is earlier than the specified date.
else if (word == "BEFORE")
{
searchKeyName = "BEFORE";
// Read <date>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid BEFORE <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("BEFORE <date> value is missing !");
}
}
#endregion
#region BODY
// BODY <string>
// Messages that contain the specified string in the body of the message.
else if (word == "BODY")
{
searchKeyName = "BODY";
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = val;
}
else
{
throw new Exception("BODY <string> value is missing !");
}
}
#endregion
#region CC
// CC <string>
// Messages that contain the specified string in the envelope structure's CC field.
else if (word == "CC")
{
// We internally use HEADER "CC:" "value"
searchKeyName = "HEADER";
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { "CC:", TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("CC <string> value is missing !");
}
}
#endregion
#region DELETED
// DELETED
// Messages with the \Deleted flag set.
else if (word == "DELETED")
{
// We internally use KEYWORD DELETED
searchKeyName = "KEYWORD";
searchKeyValue = "DELETED";
}
#endregion
#region DRAFT
// DRAFT
// Messages with the \Draft flag set.
else if (word == "DRAFT")
{
// We internally use KEYWORD DRAFT
searchKeyName = "KEYWORD";
searchKeyValue = "DRAFT";
}
#endregion
#region FLAGGED
// FLAGGED
// Messages with the \Flagged flag set.
else if (word == "FLAGGED")
{
// We internally use KEYWORD FLAGGED
searchKeyName = "KEYWORD";
searchKeyValue = "FLAGGED";
}
#endregion
#region FROM
// FROM <string>
// Messages that contain the specified string in the envelope structure's FROM field.
else if (word == "FROM")
{
// We internally use HEADER "FROM:" "value"
searchKeyName = "HEADER";
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { "FROM:", TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("FROM <string> value is missing !");
}
}
#endregion
#region HEADER
// HEADER <field-name> <string>
// Messages that have a header with the specified field-name (as
// defined in [RFC-2822]) and that contains the specified string
// in the text of the header (what comes after the colon). If the
// string to search is zero-length, this matches all messages that
// have a header line with the specified field-name regardless of
// the contents.
else if (word == "HEADER")
{
searchKeyName = "HEADER";
// Read <field-name>
string fieldName = ReadString(reader);
if (fieldName != null)
{
fieldName = TextUtils.UnQuoteString(fieldName);
}
else
{
throw new Exception("HEADER <field-name> value is missing !");
}
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { fieldName, TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("(HEADER <field-name>) <string> value is missing !");
}
}
#endregion
#region KEYWORD
// KEYWORD <flag>
// Messages with the specified keyword flag set.
else if (word == "KEYWORD")
{
searchKeyName = "KEYWORD";
// Read <flag>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
searchKeyValue = TextUtils.UnQuoteString(val);
}
else
{
throw new Exception("KEYWORD <flag> value is missing !");
}
}
#endregion
#region LARGER
// LARGER <n>
// Messages with an [RFC-2822] size larger than the specified number of octets.
else if (word == "LARGER")
{
searchKeyName = "LARGER";
// Read <n>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse <n> - must be integer value
try
{
searchKeyValue = Convert.ToInt64(TextUtils.UnQuoteString(val));
}
// Invalid <n>
catch
{
throw new Exception("Invalid LARGER <n> value '" + val +
"', it must be numeric value !");
}
}
else
{
throw new Exception("LARGER <n> value is missing !");
}
}
#endregion
#region NEW
// NEW
// Messages that have the \Recent flag set but not the \Seen flag.
// This is functionally equivalent to "(RECENT UNSEEN)".
else if (word == "NEW")
{
// We internally use KEYWORD RECENT
searchKeyName = "KEYWORD";
searchKeyValue = "RECENT";
}
#endregion
#region NOT
// NOT <search-key> or (<search-key> <search-key> ...)(SearchGroup)
// Messages that do not match the specified search key.
else if (word == "NOT")
{
searchKeyName = "NOT";
object searchItem = SearchGroup.ParseSearchKey(reader);
if (searchItem != null)
{
searchKeyValue = searchItem;
}
else
{
throw new Exception("Required NOT <search-key> isn't specified !");
}
}
#endregion
#region OLD
// OLD
// Messages that do not have the \Recent flag set. This is
// functionally equivalent to "NOT RECENT" (as opposed to "NOT NEW").
else if (word == "OLD")
{
// We internally use UNKEYWORD RECENT
searchKeyName = "UNKEYWORD";
searchKeyValue = "RECENT";
}
#endregion
#region ON
// ON <date>
// Messages whose internal date (disregarding time and timezone) is within the specified date.
else if (word == "ON")
{
searchKeyName = "ON";
// Read <date>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid ON <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("ON <date> value is missing !");
}
}
#endregion
#region OR
// OR <search-key1> <search-key2> - SearckKey can be parenthesis list of keys !
// Messages that match either search key.
else if (word == "OR")
{
searchKeyName = "OR";
//--- <search-key1> ----------------------------------------------------//
object searchKey1 = SearchGroup.ParseSearchKey(reader);
if (searchKey1 == null)
{
throw new Exception("Required OR <search-key1> isn't specified !");
}
//----------------------------------------------------------------------//
//--- <search-key2> ----------------------------------------------------//
object searchKey2 = SearchGroup.ParseSearchKey(reader);
if (searchKey2 == null)
{
throw new Exception("Required (OR <search-key1>) <search-key2> isn't specified !");
}
//-----------------------------------------------------------------------//
searchKeyValue = new[] { searchKey1, searchKey2 };
}
#endregion
#region RECENT
// RECENT
// Messages that have the \Recent flag set.
else if (word == "RECENT")
{
// We internally use KEYWORD RECENT
searchKeyName = "KEYWORD";
searchKeyValue = "RECENT";
}
#endregion
#region SEEN
// SEEN
// Messages that have the \Seen flag set.
else if (word == "SEEN")
{
// We internally use KEYWORD SEEN
searchKeyName = "KEYWORD";
searchKeyValue = "SEEN";
}
#endregion
#region SENTBEFORE
// SENTBEFORE <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is earlier than the specified date.
else if (word == "SENTBEFORE")
{
searchKeyName = "SENTBEFORE";
// Read <date>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid SENTBEFORE <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("SENTBEFORE <date> value is missing !");
}
}
#endregion
#region SENTON
// SENTON <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is within the specified date.
else if (word == "SENTON")
{
searchKeyName = "SENTON";
// Read <date>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid SENTON <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("SENTON <date> value is missing !");
}
}
#endregion
#region SENTSINCE
// SENTSINCE <date>
// Messages whose [RFC-2822] Date: header (disregarding time and
// timezone) is within or later than the specified date.
else if (word == "SENTSINCE")
{
searchKeyName = "SENTSINCE";
// Read <date>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid SENTSINCE <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("SENTSINCE <date> value is missing !");
}
}
#endregion
#region SINCE
// SINCE <date>
// Messages whose internal date (disregarding time and timezone)
// is within or later than the specified date.
else if (word == "SINCE")
{
searchKeyName = "SINCE";
// Read <date>
string val = reader.ReadWord();
if (val != null)
{
// Parse date
try
{
searchKeyValue = IMAP_Utils.ParseDate(TextUtils.UnQuoteString(val));
}
// Invalid date
catch
{
throw new Exception("Invalid SINCE <date> value '" + val +
"', valid date syntax: {dd-MMM-yyyy} !");
}
}
else
{
throw new Exception("SINCE <date> value is missing !");
}
}
#endregion
#region SMALLER
// SMALLER <n>
// Messages with an [RFC-2822] size smaller than the specified number of octets.
else if (word == "SMALLER")
{
searchKeyName = "SMALLER";
// Read <n>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
val = TextUtils.UnQuoteString(val);
// Parse <n> - must be integer value
try
{
searchKeyValue = Convert.ToInt64(val);
}
// Invalid <n>
catch
{
throw new Exception("Invalid SMALLER <n> value '" + val +
"', it must be numeric value !");
}
}
else
{
throw new Exception("SMALLER <n> value is missing !");
}
}
#endregion
#region SUBJECT
// SUBJECT <string>
// Messages that contain the specified string in the envelope structure's SUBJECT field.
else if (word == "SUBJECT")
{
// We internally use HEADER "SUBJECT:" "value"
searchKeyName = "HEADER";
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { "SUBJECT:", TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("SUBJECT <string> value is missing !");
}
}
#endregion
#region TEXT
// TEXT <string>
// Messages that contain the specified string in the header or body of the message.
else if (word == "TEXT")
{
searchKeyName = "TEXT";
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = val;
}
else
{
throw new Exception("TEXT <string> value is missing !");
}
}
#endregion
#region TO
// TO <string>
// Messages that contain the specified string in the envelope structure's TO field.
else if (word == "TO")
{
// We internally use HEADER "TO:" "value"
searchKeyName = "HEADER";
// Read <string>
string val = ReadString(reader);
if (val != null)
{
searchKeyValue = new[] { "TO:", TextUtils.UnQuoteString(val) };
}
else
{
throw new Exception("TO <string> value is missing !");
}
}
#endregion
#region UID
// UID <sequence set>
// Messages with unique identifiers corresponding to the specified
// unique identifier set. Sequence set ranges are permitted.
else if (word == "UID")
{
searchKeyName = "UID";
// Read <sequence set>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
try
{
IMAP_SequenceSet sequenceSet = new IMAP_SequenceSet();
sequenceSet.Parse(TextUtils.UnQuoteString(val), long.MaxValue);
searchKeyValue = sequenceSet;
}
catch
{
throw new Exception("Invalid UID <sequence-set> value '" + val + "' !");
}
}
else
{
throw new Exception("UID <sequence-set> value is missing !");
}
}
#endregion
#region UNANSWERED
// UNANSWERED
// Messages that do not have the \Answered flag set.
else if (word == "UNANSWERED")
{
// We internally use UNKEYWORD SEEN
searchKeyName = "UNKEYWORD";
searchKeyValue = "ANSWERED";
}
#endregion
#region UNDELETED
// UNDELETED
// Messages that do not have the \Deleted flag set.
else if (word == "UNDELETED")
{
// We internally use UNKEYWORD UNDELETED
searchKeyName = "UNKEYWORD";
searchKeyValue = "DELETED";
}
#endregion
#region UNDRAFT
// UNDRAFT
// Messages that do not have the \Draft flag set.
else if (word == "UNDRAFT")
{
// We internally use UNKEYWORD UNDRAFT
searchKeyName = "UNKEYWORD";
searchKeyValue = "DRAFT";
}
#endregion
#region UNFLAGGED
// UNFLAGGED
// Messages that do not have the \Flagged flag set.
else if (word == "UNFLAGGED")
{
// We internally use UNKEYWORD UNFLAGGED
searchKeyName = "UNKEYWORD";
searchKeyValue = "FLAGGED";
}
#endregion
#region UNKEYWORD
// UNKEYWORD <flag>
// Messages that do not have the specified keyword flag set.
else if (word == "UNKEYWORD")
{
searchKeyName = "UNKEYWORD";
// Read <flag>
string val = reader.QuotedReadToDelimiter(' ');
if (val != null)
{
searchKeyValue = TextUtils.UnQuoteString(val);
}
else
{
throw new Exception("UNKEYWORD <flag> value is missing !");
}
}
#endregion
#region UNSEEN
// UNSEEN
// Messages that do not have the \Seen flag set.
else if (word == "UNSEEN")
{
// We internally use UNKEYWORD UNSEEN
searchKeyName = "UNKEYWORD";
searchKeyValue = "SEEN";
}
#endregion
#region Unknown or SEQUENCESET
// Unkown keyword or <sequence set>
else
{
// DUMMY palce(bad design) in IMAP.
// Active keyword can be <sequence set> or bad keyword, there is now way to distinguish what is meant.
// Why they don't key work SEQUENCESET <sequence set> ?
// <sequence set>
// Messages with message sequence numbers corresponding to the
// specified message sequence number set.
// Just try if it can be parsed as sequence-set
try
{
IMAP_SequenceSet sequenceSet = new IMAP_SequenceSet();
sequenceSet.Parse(word, long.MaxValue);
searchKeyName = "SEQUENCESET";
searchKeyValue = sequenceSet;
}
// This isn't vaild sequnce-set value
catch
{
throw new Exception("Invalid search key or <sequnce-set> value '" + word + "' !");
}
}
#endregion
// REMOVE ME:
// Console.WriteLine(searchKeyName + " : " + Convert.ToString(searchKeyValue));
return(new SearchKey(searchKeyName, searchKeyValue));
}